Tadashi OGAWA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fixing device capable of enhancing durability of endless belt and i...
- Patent number 10,935,911
- Issue date Mar 2, 2021
- Ricoh Company, Ltd.
- Teppei Kawata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including developing devices, developing co...
- Patent number 10,409,196
- Issue date Sep 10, 2019
- Ricoh Company, Ltd.
- Toshio Koike
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,983,526
- Issue date May 29, 2018
- Ricoh Company, Ltd.
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,971,289
- Issue date May 15, 2018
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,927,748
- Issue date Mar 27, 2018
- Ricoh Company, Ltd.
- Hiroshi Yoshinaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device capable of enhancing durability of endless belt and i...
- Patent number 9,811,031
- Issue date Nov 7, 2017
- Ricoh Company, Ltd.
- Teppei Kawata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including the fixing device
- Patent number 9,727,008
- Issue date Aug 8, 2017
- Ricoh Company, Ltd.
- Teppei Kawata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,715,203
- Issue date Jul 25, 2017
- Ricoh Company, Ltd.
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a fixing device that includes a r...
- Patent number 9,690,243
- Issue date Jun 27, 2017
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, and process cartridge and image forming apparatu...
- Patent number 9,658,576
- Issue date May 23, 2017
- Ricoh Company, Ltd.
- Hideki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge, and image forming apparatus i...
- Patent number 9,529,297
- Issue date Dec 27, 2016
- Ricoh Company, Ltd.
- Hiroaki Okamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device with a temperature detector adjacent an easily deform...
- Patent number 9,507,306
- Issue date Nov 29, 2016
- Ricoh Company, Ltd.
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with removable unit and a connectable devic...
- Patent number 9,507,313
- Issue date Nov 29, 2016
- Ricoh Company, Ltd.
- Junichi Terai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,454,114
- Issue date Sep 27, 2016
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for producing optically active succinimide derivatives and...
- Patent number 9,434,737
- Issue date Sep 6, 2016
- Sumitomo Dainippon Pharma Co., Ltd.
- Masaji Kasai
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fixing device capable of minimizing damage of endless rotary body a...
- Patent number 9,405,250
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Tadashi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 9,405,270
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Tadashi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming device
- Patent number 9,405,242
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit, process cartridge, and image forming apparatus
- Patent number 9,395,652
- Issue date Jul 19, 2016
- Ricoh Company, Ltd.
- Hiroshi Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming device
- Patent number 9,367,010
- Issue date Jun 14, 2016
- RICOII COMPANY, LIMITED
- Hiromasa Takagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner bottle driving device control method and image forming apparatus
- Patent number 9,360,816
- Issue date Jun 7, 2016
- Ricoh Company, Ltd.
- Hiroyuki Mabuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, image forming apparatus, and process cartridge
- Patent number 9,341,986
- Issue date May 17, 2016
- Ricoh Company, Ltd.
- Atsushi Nakamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder supply device and image forming apparatus incorporating same
- Patent number 9,323,176
- Issue date Apr 26, 2016
- Ricoh Company, Ltd.
- Junichi Terai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method for forming toner image on recording medium
- Patent number 9,316,971
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 9,316,972
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 9,291,967
- Issue date Mar 22, 2016
- Ricoh Company, Ltd.
- Naoki Iwaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner supplying device and image forming apparatus having a project...
- Patent number 9,244,383
- Issue date Jan 26, 2016
- Ricoh Company, Limited
- Hironori Ohshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,239,553
- Issue date Jan 19, 2016
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,239,559
- Issue date Jan 19, 2016
- Ricoh Company, Ltd.
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 9,235,177
- Issue date Jan 12, 2016
- Ricoh Company, Ltd.
- Takuya Seshita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180335721
- Publication date Nov 22, 2018
- Toshio KOIKE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...
- Publication number 20180046121
- Publication date Feb 15, 2018
- Teppei KAWATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE FIXING DEVICE
- Publication number 20170293245
- Publication date Oct 12, 2017
- Teppei KAWATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20170277091
- Publication date Sep 28, 2017
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20170255150
- Publication date Sep 7, 2017
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS I...
- Publication number 20160202630
- Publication date Jul 14, 2016
- Hiroaki OKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160202660
- Publication date Jul 14, 2016
- Junichi TERAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATU...
- Publication number 20160170329
- Publication date Jun 16, 2016
- Hideki KIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER BOTTLE DRIVING DEVICE CONTROL METHOD AND IMAGE FORMING APPARATUS
- Publication number 20160170356
- Publication date Jun 16, 2016
- Hiroyuki MABUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20160098003
- Publication date Apr 7, 2016
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20160070208
- Publication date Mar 10, 2016
- RICOH COMPANY, LTD.
- Hiroshi KIKUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160054691
- Publication date Feb 25, 2016
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20160041498
- Publication date Feb 11, 2016
- Junichi TERAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...
- Publication number 20150378290
- Publication date Dec 31, 2015
- Teppei KAWATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150268597
- Publication date Sep 24, 2015
- Yuji ARAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING DEVICE
- Publication number 20150234329
- Publication date Aug 20, 2015
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150227095
- Publication date Aug 13, 2015
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20150212459
- Publication date Jul 30, 2015
- RICOH COMPANY, LTD.
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE CAPABLE OF MINIMIZING DAMAGE OF ENDLESS ROTARY BODY A...
- Publication number 20150168897
- Publication date Jun 18, 2015
- Tadashi OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE WITH A TEMPERATURE DETECTOR ADJACENT AN EASILY DEFORM...
- Publication number 20150104230
- Publication date Apr 16, 2015
- Takeshi UCHITANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER SUPPLYING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150063875
- Publication date Mar 5, 2015
- Hironori OHSHIMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20150063884
- Publication date Mar 5, 2015
- Naoki IWAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20150023700
- Publication date Jan 22, 2015
- Atsushi NAKAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...
- Publication number 20150023705
- Publication date Jan 22, 2015
- Teppei KAWATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...
- Publication number 20140376951
- Publication date Dec 25, 2014
- Tadashi OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140369703
- Publication date Dec 18, 2014
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING METHOD FOR FORMING TONER IMAGE ON RECORDING MEDIUM
- Publication number 20140334838
- Publication date Nov 13, 2014
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140133879
- Publication date May 15, 2014
- RICOH COMPANY, LIMITED
- Takuya SESHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS FOR PRODUCING OPTICALLY ACTIVE SUCCINIMIDE DERIVATIVES AND...
- Publication number 20140099681
- Publication date Apr 10, 2014
- KYOWA HAKKO BIO CO., LTD.
- Masaji Kasai
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140079453
- Publication date Mar 20, 2014
- Yuji ARAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Tadashi OGAWA

Person

Patents Grantslast 30 patents

Fixing device capable of enhancing durability of endless belt and i...

Image forming apparatus including developing devices, developing co...

Fixing device and image forming apparatus including same

Image forming apparatus

Fixing device and image forming apparatus

Fixing device capable of enhancing durability of endless belt and i...

Fixing device and image forming apparatus including the fixing device

Fixing device and image forming apparatus including same

Image forming apparatus including a fixing device that includes a r...

Developing device, and process cartridge and image forming apparatu...

Developing device, process cartridge, and image forming apparatus i...

Fixing device with a temperature detector adjacent an easily deform...

Image forming apparatus with removable unit and a connectable devic...

Fixing device and image forming apparatus including same

Process for producing optically active succinimide derivatives and...

Fixing device capable of minimizing damage of endless rotary body a...

Fixing device and image forming apparatus incorporating same

Fixing device and image forming device

Developing unit, process cartridge, and image forming apparatus

Fixing device and image forming device

Toner bottle driving device control method and image forming apparatus

Developing device, image forming apparatus, and process cartridge

Powder supply device and image forming apparatus incorporating same

Image forming method for forming toner image on recording medium

Fixing device and image forming apparatus incorporating same

Fixing device and image forming apparatus incorporating same

Toner supplying device and image forming apparatus having a project...

Fixing device and image forming apparatus

Fixing device and image forming apparatus including same

Fixing device and image forming apparatus incorporating same

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE FIXING DEVICE

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

IMAGE FORMING APPARATUS

DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS I...

IMAGE FORMING APPARATUS

DEVELOPING DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARATU...

TONER BOTTLE DRIVING DEVICE CONTROL METHOD AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

DEVELOPING UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

POWDER SUPPLY DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING DEVICE

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

FIXING DEVICE CAPABLE OF MINIMIZING DAMAGE OF ENDLESS ROTARY BODY A...

FIXING DEVICE WITH A TEMPERATURE DETECTOR ADJACENT AN EASILY DEFORM...

TONER SUPPLYING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

FIXING DEVICE CAPABLE OF ENHANCING DURABILITY OF ENDLESS BELT AND I...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE...

IMAGE FORMING APPARATUS

IMAGE FORMING METHOD FOR FORMING TONER IMAGE ON RECORDING MEDIUM

IMAGE FORMING APPARATUS

PROCESS FOR PRODUCING OPTICALLY ACTIVE SUCCINIMIDE DERIVATIVES AND...

FIXING DEVICE AND IMAGE FORMING APPARATUS